DuRoss Amy

• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Earnings

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Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned sale, O: Option / Other

Notification date	Transaction date	B/S Transaction type	Nb. shares Price Value	Number of shares	Price	Value	Details
2025-03-20	2025-03-14	Biolife Solutions Inc (BLFS)	PS Planned sale	5,632 -19.1% 24.96 USD 140,575	5,632 -19.1%	24.96	USD 140,575
2024-03-13	2024-03-13	Biolife Solutions Inc (BLFS)	S Sale	5,065 -14.7% 17.00 USD 86,105	5,065 -14.7%	17.00	USD 86,105
2024-03-13	2024-03-12	Biolife Solutions Inc (BLFS)	S Sale	6,135 -15.1% 16.86 USD 103,436	6,135 -15.1%	16.86	USD 103,436
2022-11-17	2022-11-15	Biolife Solutions Inc (BLFS)	S Sale	2,600 -12.5% 24.35 USD 63,310	2,600 -12.5%	24.35	USD 63,310